1. Find the minimum sample size required to estimate the mean pulse rate of adult females in order to be 92% confident that the sample mean is within 4 beats per minute (bpm) of the true population mean, assuming that thestandard deviation of the population is known to be 8.5 bpm.

2. A particular blood pressure medication is stated to have a 17% chance of producing a certain side eect when administered. A hospital follows a random sample of 25 patients to whom that drug was administered., (Please round your answers to three decimal places.)

1. What is the probability that exactly four patients out of the 25 will exhibit the side eect?

1. What is the probability that at most four patients out of the 25 will exhibit the side eect?

1. What is the probability that at least three patients out of the 25 will exhibit the side eect? Please round your answers to three decimal places.